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Professor Hyuck Choo along with postdoctoral researchers Radwanul Hasan Siddique, and graduate student Vinayak Narasimhan working in the Choo lab have developed a synthetic analogue for eye implants that makes them more effective and longer-lasting. The work was inspired by tiny nanostructures on transparent butterfly wings. The eye implant is shaped like a tiny drum, the width of a few strands of hair. When inserted into an eye, its surface flexes with increasing eye pressure, narrowing the depth of the cavity inside the drum. That depth can be measured by a handheld reader, giving a direct measurement of how much pressure the implant is under. [Caltech story]